William, years later: "I'm still going at it baby!"

Frrr

Plot of fnaf explained by an oversimplification

Oop-

Fnaf in a nutshell

Yeah lol
William didn't kill children until he went insane after Michael accidentally killed his younger brother, the crying child. At least, that's what I think is what made him turn into a lunatic

Yeah we need the timeline before we figure out anymore theories like that

logic